EP2811159A1 - Installation de production d'énergie éolienne en mer - Google Patents

Installation de production d'énergie éolienne en mer Download PDF

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Publication number
EP2811159A1
EP2811159A1 EP14170718.2A EP14170718A EP2811159A1 EP 2811159 A1 EP2811159 A1 EP 2811159A1 EP 14170718 A EP14170718 A EP 14170718A EP 2811159 A1 EP2811159 A1 EP 2811159A1
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EP
European Patent Office
Prior art keywords
components
substation
plant
production
tower
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14170718.2A
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German (de)
English (en)
Other versions
EP2811159B1 (fr
Inventor
Jörg FINDEISEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Energy Global GmbH and Co KG
Original Assignee
Siemens AG
Siemens Corp
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Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP2811159A1 publication Critical patent/EP2811159A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/80—Arrangement of components within nacelles or towers
    • F03D80/82—Arrangement of components within nacelles or towers of electrical components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00—Manufacture
    • F05B2230/60—Assembly methods
    • F05B2230/61—Assembly methods using auxiliary equipment for lifting or holding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/14—Casings, housings, nacelles, gondels or the like, protecting or supporting assemblies there within
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/14—Casings, housings, nacelles, gondels or the like, protecting or supporting assemblies there within
    • F05B2240/142—Casings, housings, nacelles, gondels or the like, protecting or supporting assemblies there within in the form of a standard ISO container
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/95—Mounting on supporting structures or systems offshore
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/96—Mounting on supporting structures or systems as part of a wind turbine farm
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind turbines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to plants for generating wind energy at sea, such as offshore wind farms.
  • the offshore wind farm consisting of a variety of wind turbines which are connected via cables to at least one substation located at sea for grid connection, designed such that this substation is wholly or partially placed on the site of one of the wind farm associated wind turbines and mechanically associated with the founding or tower of this wind turbine.
  • structural elements of the tower of a wind turbine are designed and used in such a way that they accommodate the components of the sea-side substation of such wind farms.
  • the invention relates to a particularly compact design of a sea-side substation for offshore substations.
  • the converter stations required for HVDC require a particularly high volume and area requirement.
  • the state of the art also accommodates the offshore converter stations for HVDC systems on special offshore platforms. Here it comes to a special tightening of the room situation.
  • the aim of the invention is to avoid the disadvantages mentioned.
  • a marine wind power plant for example an offshore wind farm, has several sea-based ones Wind turbines with hollow structural elements that form an anchored to the seabed foundation structure and a tower supported by this and a multi-component substation on.
  • the components are arranged in the hollow structure elements of one or more wind turbines.
  • the offshore wind farm consisting of a variety of wind turbines which are connected via cables to at least one located at sea substation for grid connection, is designed such that the seaward substation is placed for grid connection at the site of one of the wind farm associated wind turbines and mechanically with the Foundation of the tower of this wind turbine is connected.
  • the substation required for grid connection is integrated into the foundation and tower structure of one or more existing wind turbines.
  • the customary according to the prior art separate platforms for receiving these substations omitted.
  • the towers of wind turbines usually have foundations, which are formed from steel pipes.
  • various constructions are used, for example monopile foundations that have only a single pile, jacket foundations that have a steel framework construction, tripod foundations that have a tripod construction of steel pipes, which has a main pile under water supports tripile foundations, which have three steel-tube piles anchored to the seabed, onto which a tripod construction is placed over water, or multi-pile systems.
  • said foundation structures are used for housing and / or as a housing for the components of the substation.
  • the tower and / or the said foundation structures are used for housing or as a housing for the components of the substation.
  • the weight of the components of the substation (in particular of the power transformers) in the foundation structure leads to an increase in the mass thereof and thus contributes to increasing the stability of the offshore structure.
  • the focus of the foundation and tower structure of the plant is shifted towards seabed and thus simplifies the required anchorage for high wind speeds anchoring the foundation of the wind turbine in the seabed.
  • the components are combined into functional assemblies and the functional assemblies are each arranged in the hollow structure elements of a wind turbine.
  • each one phase of the substation is combined into phase assemblies, and arranged the phase assemblies each in the hollow structure elements of a wind turbine.
  • the components of the substation can be distributed to the foundation and tower structure of several wind turbines.
  • a division both by function modules and the division into single-phase units is possible.
  • a breakdown by function modules to the foundation structure of several wind turbines offers.
  • the power transformers can be designed as single-phase systems.
  • functional units of the substation are carried out in a single phase and the components of each one phase in different foundation pillars or cross braces of the foundation structure accommodated.
  • the components of a phase are partially or completely connected to a module. This results in a simplified production and reserve position for the functional units.
  • By using 4 hollow structural elements it becomes possible to provide electrical components for one phase as a replacement for the failure of one component.
  • the provision of a reserve transformer in the aforementioned manner saves complex seaward expansion and transport processes in the event of damage.
  • the hollow structure elements are adapted in their number, in their dimensions and their carrying capacity to the male components.
  • the dimensions of said hollow structures are dimensioned such that a placement of the components of the substation is made possible.
  • the components are placed in the hollow structures according to their dimensions, dimensions and operating conditions.
  • a further embodiment of the invention provides a plurality of interconnected hollow structural elements of the substation, which together form sections of the substation and / or further functional areas.
  • those subassemblies of the substation which require increased safety in terms of fire protection are placed in the hollow structure elements of the foundation in such a way that there is a large distance to the assemblies subject to a higher fire risk (for example the transformers).
  • the hollow structure forming the tower has an enlarged diameter at its base for receiving components.
  • the wind power installations have lifting tools which are designed to load components from a maritime vehicle into the hollow structure elements by reclosable openings arranged in the hollow structure elements.
  • the serving for placement of the functional components of the offshore substation hollow structure elements are provided with closable openings for the exchange of components.
  • the recording of functional elements of the substation serving spaces of the hollow structure elements are hermetically sealed against the environment of the offshore substation and subjected to a slight overpressure.
  • the hollow structure elements form tightly sealable cavities, which can be filled with an insulating fluid for electrical insulation of the components.
  • the main components get their own filled with the insulating medium chambers.
  • the design of separate cooling circuits is possible.
  • Another advantage is that when repairing a component, the other components and functional parts with the insulating medium filled (impregnated) remain and thus, for example, no additional measures before commissioning are necessary (for example, drying or testing processes for windings).
  • an advantageous embodiment of the invention provides that electrical barriers or magnetic shields are arranged within the cavities.
  • an electric barrier system consisting of cylindrical solid insulation is built up within the hollow structural elements.
  • the insulation system is provided with a barrier system which has slidable intermediate barriers in the access area.
  • a framework is arranged in the hollow structure elements, in which a plurality of components can be arranged in a tower-like manner one above the other.
  • the tower-shaped valve structure is arranged in a vertically movable Scaffold attached.
  • This framework is constructed such that it can be gradually raised or lowered by means of corresponding lifting devices.
  • a component is a three-phase transformer having a plurality of windings whose winding axes are aligned coaxially with each other and in the same direction as the axis of the hollow structural element.
  • the transformer is designed as a three-phase sheath type and introduced into the tubular structures of the tower or the foundation structure such that the winding axis is aligned in the same direction as the pipe structure axis.
  • the connecting elements between the serving for receiving the components of the substation hollow structure elements and / or the connecting elements between the support tubes and the tower of the wind turbine are equipped with a special fire and fire wall.
  • the heat-emitting components of the offshore substation are cooled by seawater or ambient air, depending on the power dissipation and environmental conditions.
  • the large outer surfaces of the hollow structures of the foundation of the offshore structure can be included in the cooling of the components of the substation.
  • the arrangement described includes the so-called self-floating offshore substations, then the extendable support columns and / or their housing can be used to form the structure of the invention.
  • liquid coolants preferably deionized water
  • this coolant is routed via electrically insulated pipe systems to the valve arrangements in such a way that there is no breakthrough of the cylindrical solid insulation and / or the barrier arrangement.
  • HVDC converter hall The interior of a HVDC converter hall with the inverter is usually completely shielded from the outside because of the electromagnetic compatibility.
  • the HVDC converter hall is integrated into the hollow structure elements of the foundation structure.
  • the required shielding is wholly or partly formed by the metallic hollow structure of the foundation of an offshore structure or the tower of a wind turbine.
  • a lateral bracing of the foundation structure is used as a revision and / or transport access to the vertical modular structure.
  • the transition from the vertical structure supporting the plant structure to the accessing tubular cross member is provided with a tightly closable opening.
  • the insulating fluid is now discharged in the corresponding area and the arrangement can be entered through the opening to the cross member.
  • the intermediate barrier can now be moved and the valve unit becomes accessible.
  • valve sections can with Control capacitors and / or surge arresters be interconnected, which are also mounted in the isolated segment of the described arrangement.
  • each HVDC valve consists of a number of identical thyristor or IGBT modules depending on the respective voltage. These can be interconnected with a so-called valve throttle to limit the rate of current rise.
  • valve throttle to limit the rate of current rise.
  • the functional assemblies of this offshore substation are divided into functions or as single-phase systems and are physically assigned to several wind turbines of the offshore wind farm.
  • a further preferred embodiment is characterized in that the hollow structure elements of the foundation, or the tower of a wind turbine, of their dimensions and their design are designed such that they partially or completely absorb the components of the substation and that the dimensions of said hollow structures are dimensioned in that a placement of the components of the substation according to their respective mass, their dimensions and the respective required operating conditions.
  • the used for placement of components of a substation tower of a wind farm is inserted into the foundation structure of the wind turbine so that the bottom of the tower has a distance from the water surface, which allows the exchange of components by means of a bark.
  • the central axis of the foundation structure is offset relative to the central axis of the tower.
  • a hoist is mounted such that its rotation and pivoting area passes over the hollow structure elements, which are provided for receiving components of the substation.
  • a part of the high-voltage electrical assemblies is arranged in within filled with an insulating fluid vessels and these vessels are placed within the hollow structural elements or the hollow structural elements themselves are at least partially executed as filled with insulating fluid vessels for receiving the modules.
  • a vessel enclosing the component is provided with an inner coaxial wall which forms a space which is constantly or as needed fluid-free, by means of which an access path can be formed within the component.
  • parts of the hollow structure of the foundation itself are designed as encapsulation for a part of the high voltage leading electrical assemblies.
  • the fluid-filled space containing the components is provided with an access opening, and the barrier structure thereon is provided with movable barrier and shielding arrangements which are positioned in a guide and overlap the fixed barrier or shielding arrangements in the event of operation of the installation exhibit.
  • the electrical shielding of the electrical components of the substation is wholly or partially represented by the metallic hollow structures of the foundation itself.
  • Another alternative embodiment relates to a substation for use at sea, in which the components of the substation are arranged in an offshore structure.
  • This is characterized in that these components are at least partially inserted within the hollow structure elements represented by the foundation structure or the tower of an offshore structure, and in that these structural elements in their structural, size, design, and arrangement are designed such that a Placement of the components of the substation according to their respective mass, their dimensions and the required operating conditions is made possible.
  • the foundation structure carries a centrally located tower for a wind turbine (1) and the foundation structure includes a plurality of support structures spaced radially from the tower.
  • the hollow structural elements serving to place the functional subassemblies of the offshore substation are preferably provided with closable openings for exchanging components which are arranged such that components of the offshore substation can be loaded onto a vessel by means of a hoist.
  • the horizontal or inclined connecting elements between the vertical hollow structure elements (2) of the offshore structure are equipped with a path which allows the transport of personnel and material between the functional units, as well as within this connection structures electrical connection lines between the arranged in different hollow structural elements components the substation are laid.
  • connections of the hollow structure elements of the foundation structure are equipped with fire protection walls and these are at least partially provided with fire doors.
  • a rotatable hoist is mounted on a central pillar or the tower of a wind turbine such that its rotation and pivoting area passes over the hollow structure elements, which are provided for receiving components of the substation.
  • components of one phase each are arranged in different foundation pillars or cross braces of the foundation structure.
  • At least one transformer is arranged in such a hollow structural element of the foundation structure or the tower that the winding axis is aligned in the same direction as the pipe axis and the transformer is designed as a jacket type.
  • a plurality of components are arranged in a tower-like manner by means of a framework one above the other within the hollow structure elements formed by the foundation structure or the tower.
  • the framework on which the components are arranged designed such that it indicates an arrangement displaceable by means of guide means within the hollow structural elements.
  • an advantageous embodiment of the invention provides that the high-voltage leading electrical assemblies are housed at least partially in encapsulated vessels and they are filled with an insulating fluid, wherein the encapsulation either by a disposed within the hollow vessel, or at least partially through the hollow structure of the foundation - or the tower of the offshore structure is formed.
  • the housing enclosing the electrical components of the substation and / or the recording of components of the substation serving hollow structure of the foundation or tower of the offshore structure is designed as electrical or magnetic shielding of the electrical components of the substation.
  • Fig. 1 shows an offshore wind farm (40), which is equipped with a certain number of wind turbines (1).
  • the substation (42) required for grid connection is integrated into the foundation structure of one of the existing wind power plants (1).
  • the customary according to the prior art separate platforms for receiving these substations omitted.
  • Fig. 2 shows an arrangement of several wind farms (40).
  • the wind turbines supply in the exemplary embodiment in each case 2 AC substations (42.1).
  • the sea-side converter station (42.2) of an HVDC transmission line (43.2) is supplied via AC high-voltage cable (43.1).
  • the components of the substation (41.1 / 41.2) can be distributed to the foundation and tower structure of several wind turbines (1).
  • a division both by function modules and the division into single-phase units is possible.
  • a breakdown by function modules to several wind turbines (1) offers.
  • Fig. 3 shows an inventively designed wind turbine.
  • the transformer belonging to the wind turbine (1.8 / 1.9) is located in the nacelle (1.6) or the tower (1.1) of the corresponding wind turbine.
  • the founding (2) and / or tower structure of this wind turbine is designed such that it can accommodate the components (4) for the network connection of one or more offshore wind farms (40) necessary substation (42).
  • the customary in the prior art platforms for receiving these substations omitted.
  • Fig. 4 shows an embodiment in which the lake-side substation (42) of the wind farm is housed in a housing which is placed directly on the monopile foundation (2) of the tower (1.1) of the wind turbine (1).
  • the monopile foundation is designed so that it can carry the substation.
  • the arrangement of the components (4) is carried out in the housing of the substation expediently such that no or only a small displacement of the center of gravity of the entire structure takes place.
  • the substation (42) is mounted on the three-legged foundation structure supporting the tower (1.1) of the wind turbine. This is executed in the embodiment as a so-called "tripile foundation". Due to its span, this foundation is also suitable for deeper water.
  • components (4) of the substation are accommodated in the hollow structure of the tower. Conveniently, in the upper part of the tower, the accommodation of components of the substation, which have a low mass and have low maintenance requirements.
  • the substation is connected to a cooling system located in a steel pillar of the foundation structure.
  • Fig. 6 shows an embodiment in which the lower portion of the tower (2) has been designed such that it can accommodate the large components of the substation.
  • the power transformers (4.1) are located in the lower part of the tower.
  • Other components (4), such as ironless chokes (4.5) of the substation are also located in the tower. In order to use the dimensions of the tower for this, these components are completely or partially surrounded by an insulating fluid.
  • Serving for the placement of the functional units of the offshore substation hollow structural elements (2) are provided with closable openings (2.7) for the exchange of components and arranged such that components of the offshore substation in repair case (4) by means of a hoist (13) on a maritime vehicle (12) can be loaded.
  • the large-volume and heavy components can be designed as single-phase systems.
  • Fig. 7 shows an embodiment in which the hollow structure of the foundation (2) has been designed such that it is able to accommodate the large-volume components (4.1) of the substation.
  • a closable mounting opening (2.7) is provided for the exchange of components.
  • a receiving device for a movable hoist (13) is mounted on the tower (1.1).
  • the center axes of the foundation structure (2) and the tower (1.1) of the wind turbine are shifted from each other, so that it is possible to replace even large components (4.1) in case of repair and to load on a vessel (12).
  • FIG. 8 an embodiment of the described solution on a gravity foundation (60) is shown.
  • This is formed in the embodiment by a concrete block (60), which is placed on the seabed (51).
  • the anchorage for the tower (1.1) of the wind turbine In the foundation structure (60) hollow structures (65) are integrated for receiving the components (4) of the offshore substation.
  • These hollow structures (65) are provided with a closable mounting opening (2.7) and arranged such that they can be reached by means of a mobile hoist (13) which can be mounted on the tower (1.1).
  • Such gravity foundations are also executable in trough shape and can then reach buoyancy.
  • the described solution can be implemented analogously.
  • Fig. 9 shows the placement of electrical components (4.5) of a substation in a vessel (30) which is filled with a fluid (22). This is arranged inside the hollow structure (2).
  • a magnetic shield (28) which can be advantageously attached to the hollow structure of the foundation (2).
  • a shielding by a corresponding embodiment of the vessel (30) made of a conductor material is possible.
  • the fluid filling allows the realization of the required electrical distances within the foundation structure.
  • an ironless throttle (4.5) is disposed within the fluid-filled vessel.
  • the vessel (30) is formed by an insulating material and disposed within the foundation structure (2) of the wind turbine.
  • the cylindrical vessel of the ironless throttle (4.5) is provided with a coaxial wall arranged (30.4), which forms an interior.
  • This interior can be formed both as a permanent air space, or there are devices which allow a discharge of the fluid if necessary.
  • a maintenance path is formed within the throttle, which of course is only available outside the operation of the system.
  • This arrangement allows, for example, the stacking of large diameter throttles in otherwise hardly usable sections of the foundation structure.
  • Fig. 10 shows an embodiment in which components (4) are arranged completely in a fluid-filled space. By eliminating interfaces in the air, omitted the internal large minimum distances in air, as well as the sliding distances in air.
  • the electrical insulation system of the embodiment is equipped with the barriers (21) of solid or mixed insulation.
  • a lateral bracing of the foundation structure (2.4) is used as a revision and / or transport access to the vertical modular structure.
  • the transition from the vertical structure supporting the plant structure to the accessing tubular cross member is provided with a sealable opening (2.7).
  • the insulation system is provided with a barrier system, which has in the access area via movable intermediate barriers (21.3).
  • the insulating fluid (22) is now discharged in the corresponding area and the arrangement can be entered through the opening (2.7) to the cross member (2.4).
  • the intermediate barrier (21.3) can now be moved and component (for example a throttle or valve unit) becomes accessible.
  • This arrangement allows the arrangement of a variety of electrical components in a small space and thus the integration into the existing hollow structural elements of an offshore structure, while ensuring accessibility in case of repair.
  • the transformer belonging to the wind turbine (1.8 / 1.9) is in the nacelle (1.6) or the tower (1.1) of the corresponding wind turbine.
  • the foundation (2) and / or tower structure (1.1) of this wind turbine (1) is designed so that they are the essential Larger components (4) can accommodate the necessary for grid connection of one or more offshore wind farms substation.
  • the power transformers (4.1) of the substation are placed as single-phase units in a hollow structure (2) of the foundation. Further components of the substation (4) are combined into encapsulated functional units and adapted in their shape and their dimensions to the hollow structure elements (2) of the foundation structure.
  • the receiving the modules of the substation serving hollow structure elements (2) are protected in the embodiment by closable mounting holes (2. 7) from environmental influences. These mounting holes are designed in size and design so that the exchange of components of the substation is possible.
  • the horizontal or inclined connecting elements (2.4) between the hollow structural elements (2) are provided with a path which allows the transport of personnel and material.
  • the connecting elements between the support tubes (2.4) and / or the connecting elements between the support tubes and the tower (2) with a special flame and fire protection wall (3.1) are equipped. This fire wall is equipped in the embodiment with special fire doors.
  • functional areas of the substation which require an increased fire protection scope, such as living areas for the maintenance personnel placed in the offshore structure such that there is a large distance to the hollow structural elements, which are equipped with components that have a higher fire risk (for example, oil-filled transformers )
  • Other components (4), such as ironless chokes (4.5) of the substation are also arranged in the tower in the embodiment. In order to use the dimensions of the tower for this, these components are completely or partially surrounded by an insulating fluid.
  • the fluid-filled containers for components (4) of the substation at least partially formed by the wall of the hollow structure elements (2) of the foundation, or tower structure (1.1).
  • a power transformer (4.1) is arranged in the foundation structure such that the yokes of the magnetic core of this transformer are aligned in the same direction as the axis of the hollow structure surrounding the transformer.
  • the hollow structural elements (2) serving for the placement of the functional subassemblies of the offshore substation are provided with closable openings (2.7) for exchanging components and arranged such that components of the offshore substation in case of repair (12.5) by means of a hoist (13) on a maritime vehicle (12) can be loaded.
  • the large-volume and heavy components can be designed as single-phase systems.
  • an additional unit of these components is preinstalled as a reserve unit.
  • Fig. 13 shows an embodiment suitable for use of large electrical components of a substation.
  • the tower of the wind turbine is also provided here with a receiving device for a hoist (13).
  • the embodiment shows a particular embodiment of the invention with respect to the transformer used.
  • a hollow structure element (2) of the foundation of a wind power plant is equipped with a transformer (4.1), which is designed as a three-phase sheath type. It is arranged in the functional module in such a way that the winding axes are aligned in the same direction as the axis of the cylindrical functional module (7.1). In this way, the placement of transformers up to highest performance in the hollow structural elements (2) of the foundation of an offshore structure is possible.
  • Fig. 14 shows a top view of the offshore construction.
  • the hollow structure elements (2) of the foundation are equipped with means for receiving the components of the offshore substation. This results in a radially spaced from the central hollow structural element of the foundation arrangement of the functional modules.
  • the arrangement is provided with a hoist or crane (13) arranged on the tower of the wind power plant, whose swiveling range and projection are selected such that all hollow structure elements (2) serving to receive components of the substation can be reached.
  • the subassemblies of the substation are arranged in 3 hollow structural elements of the foundation structure (2).
  • hollow structure elements (U1, U2) are used in the embodiment example 2 for the formation of the expansion station and a hollow structural elements as living and maintenance unit (W).
  • Fig. 15.1, 15.2, 15.3 show a selection of further possible arrangements of the components of the Umspanntechnikes in the hollow structure elements of the founding of a wind turbine.
  • Fig. 15.1 shows the formation of a substation of single-phase transformer units (U, V, W), which are each arranged in one of the 3 hollow structural elements (2) of the foundation structure.
  • FIG. 15.2 illustrates the use of a fourth hollow structural element to form a single-phase reserve unit.
  • Fig. 15.3 shows an embodiment for the formation of 2 three-phase units of 6-phase components, which are arranged in different hollow structure elements of the foundation structure (2).
  • Fig. 16 shows an embodiment, which is characterized in that a plurality of components (4) tower-like by means of a scaffold (9.1) one above the other within the hollow structure elements (2) formed by the foundation structure or the tower are arranged. According to the invention, the resulting arrangement is movably mounted. This results in a means by guide means within the hollow structural elements (2) displaceable arrangement.
  • a lateral bracing of the foundation structure (2.4) is used as a revision and / or transport access to the vertical modular structure.
  • the transition from the vertical structure supporting the plant structure to the accessing tubular cross member is provided with a tightly closable opening (2.5).
  • Fig. 17 shows an embodiment in which certain components (4, 4.8) of a substation are combined in encapsulated modules. These are arranged in the embodiment movable within a hollow structure (2) of the foundation.
  • the components are electrically connected to one another within the fluid-filled enclosure.
  • the combination of different components (4) within such fluid-filled housing can significantly reduce the overall volume of such systems, as it is largely possible to dispense with expensive high-voltage bushings and the required electrical distances are significantly reduced.
  • Access for maintenance work also takes place in this example via a maintenance passage arranged in a horizontal connection structure (2.4).
  • the connection to the vertical hollow structure is also provided in this example with a door or maintenance opening (2.5).
  • the movable arrangement of the module allows the positioning of the components to be serviced at the level of the maintenance opening (2.5) or another accessible area and thus the possibility of repair work or the replacement of components.
  • the hollow structure (2) at least partially represents the wall / encapsulation for a module filled with a fluid.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)
EP14170718.2A 2013-06-03 2014-06-02 Installation de production d'énergie éolienne en mer Revoked EP2811159B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013009437 2013-06-03
DE102013009436 2013-06-03

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EP2811159B1 EP2811159B1 (fr) 2021-11-24

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WO2020001932A1 (fr) * 2018-06-28 2020-01-02 Siemens Aktiengesellschaft Corps flottant, éolienne et parc éolien de haute mer
DE102018210620A1 (de) * 2018-06-28 2020-01-02 Siemens Aktiengesellschaft Schwimmkörper zum Tragen einer energetischen Anlage
DE102018121749A1 (de) * 2018-09-06 2020-03-12 Innogy Se Offshore-Windparksystem mit Netz
WO2021032422A1 (fr) * 2019-08-16 2021-02-25 EnBW Energie Baden-Württemberg AG Éolienne flottante comprenant une sous-station électrique intégrée

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EP2221474A1 (fr) * 2009-02-20 2010-08-25 XEMC Darwind B.V. Parc d'éoliennes en mer
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WO2012072063A2 (fr) * 2010-12-03 2012-06-07 Bard Holding Gmbh Segment de pied de tour d'éolienne en mer, éolienne en mer comportant un tel segment de pied de tour et procédé d'installation d'une telle éolienne en mer
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DE10310036A1 (de) 2003-02-01 2004-08-12 Aloys Wobben Verfahren zur Errichtung einer Windenergieanlage, Windenergieanlage
DE102006025832A1 (de) * 2006-06-02 2007-12-06 Joachim Falkenhagen Bei Seegang überspültes rohrförmiges Bauwerk und darin unter der Wasserlinie untergebrachter Transformator
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DE102004042066A1 (de) 2004-08-31 2006-03-16 Bard Engineering Gmbh Gründung für eine Offshore-Windkraftanlage
US20110037264A1 (en) * 2008-04-23 2011-02-17 Principle Power, Inc. Column-stabilized offshore platform with water-entrapment plates and asymmetric mooring system for support of offshore wind turbines
EP2221474A1 (fr) * 2009-02-20 2010-08-25 XEMC Darwind B.V. Parc d'éoliennes en mer
WO2012072063A2 (fr) * 2010-12-03 2012-06-07 Bard Holding Gmbh Segment de pied de tour d'éolienne en mer, éolienne en mer comportant un tel segment de pied de tour et procédé d'installation d'une telle éolienne en mer
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020001932A1 (fr) * 2018-06-28 2020-01-02 Siemens Aktiengesellschaft Corps flottant, éolienne et parc éolien de haute mer
DE102018210620A1 (de) * 2018-06-28 2020-01-02 Siemens Aktiengesellschaft Schwimmkörper zum Tragen einer energetischen Anlage
DE102018210623A1 (de) * 2018-06-28 2020-01-02 Siemens Aktiengesellschaft Schwimmkörper, Windkraftanlage und Hochseewindpark
DE102018121749A1 (de) * 2018-09-06 2020-03-12 Innogy Se Offshore-Windparksystem mit Netz
WO2021032422A1 (fr) * 2019-08-16 2021-02-25 EnBW Energie Baden-Württemberg AG Éolienne flottante comprenant une sous-station électrique intégrée
CN114127416A (zh) * 2019-08-16 2022-03-01 巴登-符腾堡 Enbw能源有限公司 包括集成的变电站的浮动风力涡轮机
KR20220025024A (ko) * 2019-08-16 2022-03-03 앤비더블유 에네르기 바덴-뷔르템베르크 아게 통합 변전소를 포함하는 부유식 풍력 터빈
JP2022544482A (ja) * 2019-08-16 2022-10-19 イーエヌビーダブリュー エネルギー バーデン ヴュルテンベルク アーゲー 一体化された電気変電所を備える浮体式風力タービン
EP4013961B1 (fr) 2019-08-16 2023-05-10 EnBW Energie Baden-Württemberg AG Éolienne flottante comprenant une sous-station électrique intégrée
AU2020333165B2 (en) * 2019-08-16 2023-06-01 EnBW Energie Baden-Württemberg AG Floating wind turbine comprising an integrated electrical substation
TWI856143B (zh) * 2019-08-16 2024-09-21 德商巴登 符騰堡Ｅｎｂｗ能源有限公司 風電設備及漂浮式海上風電場
US12173686B2 (en) 2019-08-16 2024-12-24 EnBW Energie Baden-Württemberg AG Floating wind turbine comprising an integrated electrical substation

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DK2811159T3 (da) 2022-01-31

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